Details
- Length [mm]
- 370 mm
- Weight [kg]
- 3,400 kg
- Code Letter
- 91
- Supplementary Article/Info 2
- 515
Compare 1 brand — check fitment and order online
OE part number 55183878 is a Catalyst converter compatible with ABARTH, ALFA ROMEO and other makes. Available from 1 brands, priced from £327.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Original installation position for OE 55183878. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 55183878 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| ALFA ROMEO | 156 Sportwagon (932), 156 (932), 147 (937) |
| AUDI | A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6), A4 B5 (8D2) |
| MERCEDES-BENZ | E-CLASS (W210), SPRINTER 3-t Van (B903), SPRINTER 3-t Bus (B903) |
| VW | GOLF IV (1J1) |
Products matched to OE number 55183878.
| Attribute | Value |
|---|---|
| Length [mm] | 1400 |
| Fuel Type | 5 |
| Length [mm] | 1060 |
| Weight [kg] | 5,3 |
| Length [mm] | 910 |
| Emission Standard | 66 |
| Length [mm] | 310 |
| Quantity Unit | Set |
| Weight [kg] | 6,2 |
| Length [mm] | 1500 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 55183878 is a manufacturer's reference code for Catalyst converter used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 1 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE 55183878.